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Instruction Manual
117
-h,--help Display option summary.
-L,--license Show powerman license information.
-d,--destinationhost[:port] Connect to a powerman daemon on non-
default host and optionally port.
-V,--version Display the powerman version number and exit.
-D,--device Displays RPC status information. If targets are specified,
only RPC’s matching the target list are displayed.
-T,--telemetry Causes RPC telemetry information to be displayed as
commands are processed. Useful for debugging device scripts.
-x,--exprange Expand host ranges in query responses.
For more details refer http://linux.die.net/man/1/powerman. Also refer
powermand (http://linux.die.net/man/1/powermand) documentation and
powerman.conf (http://linux.die.net/man/5/powerman.conf)
Target Specification
powerman target hostnames may be specified as comma separated
or space separated hostnames or host ranges. Host ranges are of the
general form: prefix[n-m,l-k,...], where n < m and l < k, etc., This form
should not be confused with regular expression character classes (also
denoted by ‘’[]’’). For example, foo[19] does not represent foo1 or foo9, but
rather represents a degenerate range: foo19.
This range syntax is meant only as a convenience on clusters with a
prefix NN naming convention and specification of ranges should not be
considered necessary -- the list foo1,foo9 could be specified as such, or
by the range foo[1,9].
Some examples of powerman targets follows.
Power on hosts bar,baz,foo01,foo02,...,foo05: powerman --on bar baz
foo[01-05]
Power on hosts bar,foo7,foo9,foo10: powerman --on bar,foo[7,9-10]
Power on foo0,foo4,foo5: powerman --on foo[0,4-5]